Isfahan University of Medical Sciences Health Information Management 1735-7853 5 1 2008 03 20 Analysis of Psychometrics Properties of Internet Attitude Scale (IAS_40) Analysis of Psychometrics Properties of Internet Attitude Scale (IAS_40) 10936 FA Sayyedabbas Haghayegh MSc, Clinical Psychology, Isfahan University, Isfahan, Iran Mohammadbagher Kajbaf Assistant Professor, Psychology, Isfahan University, Isfahan, Iran Ahmad Shabani Associate Professor, Library and Information Science, Isfahan University, Isfahan, Iran 0000-0003-0466-6240 Mohammad Nikbakht BSc, Psychology, Isfahan University, Isfahan , Iran Hojattolahe Farahani Psychology, Isfahan University, Isfahan, Iran Journal Article 2011 03 07 Abstract Introduction: The purpose of present research is to investigate psychometrics properties of internet Assessment Scale (IAS-40),as a comprehensive instrument which includes four subscales: Internet Anxiety, Internet Usefulness,  Enjoyment and Self efficacy Methods: This is a survey research .For this purpose,359 Esfahan, Najafabad and Khorasgan university students who have been engaged in education and study in 2006-2007 education year were selected as study sample. Results: The results of final analysis showed that all four subscales have high (internal consistency) and (test-retest) reliability. Concurrent validity of internal Anxiety (r=.53) and Self efficacy(r=.55) were significant.(p=.05).Results of Confirmatory Factor Analysis(CFA)showed that the four factors have completed harmony with main structure of questionnaire and all factors were significant. Conclusion: This scale is a valid, reliable and useful instrument. Keywords: Internet; Psychometry; Psychological Tests; Ration Value Scales Abstract Introduction: The purpose of present research is to investigate psychometrics properties of internet Assessment Scale (IAS-40),as a comprehensive instrument which includes four subscales: Internet Anxiety, Internet Usefulness,  Enjoyment and Self efficacy Methods: This is a survey research .For this purpose,359 Esfahan, Najafabad and Khorasgan university students who have been engaged in education and study in 2006-2007 education year were selected as study sample. Results: The results of final analysis showed that all four subscales have high (internal consistency) and (test-retest) reliability. Concurrent validity of internal Anxiety (r=.53) and Self efficacy(r=.55) were significant.(p=.05).Results of Confirmatory Factor Analysis(CFA)showed that the four factors have completed harmony with main structure of questionnaire and all factors were significant. Conclusion: This scale is a valid, reliable and useful instrument. Keywords: Internet; Psychometry; Psychological Tests; Ration Value Scales https://him.mui.ac.ir/article_10936_3eb46aa5d93b7a5939616af91addfa88.pdf